| Hemel Hempstead to Idar-Oberstein | 368.17 mi (592.51 km) |
| Hemel Hempstead to Idstein | 394.47 mi (634.84 km) |
| Hemel Hempstead to Illertissen | 527.96 mi (849.66 km) |
| Hemel Hempstead to Illingen | 368.45 mi (592.96 km) |
| Hemel Hempstead to Ilmenau | 497.84 mi (801.19 km) |
| Hemel Hempstead to Ilsede | 454.02 mi (730.67 km) |
| Hemel Hempstead to Ilsenburg | 476.02 mi (766.08 km) |
| Hemel Hempstead to Ilsfeld | 466.52 mi (750.79 km) |
| Hemel Hempstead to Ilvesheim | 426.02 mi (685.61 km) |
| Hemel Hempstead to Immenstadt im Allgau | 557.82 mi (897.72 km) |
| Hemel Hempstead to Ingelheim | 391.29 mi (629.72 km) |
| Hemel Hempstead to Ingolstadt | 563.74 mi (907.25 km) |
| Hemel Hempstead to Iserlohn | 350.16 mi (563.53 km) |
| Hemel Hempstead to Isernhagen-Sud | 440.49 mi (708.90 km) |
| Hemel Hempstead to Ismaning | 590.89 mi (950.94 km) |
